2X(Keep your 3d printer nozzles clean!
Makes the printing model more smooth and more delicate.
Reduce friction resistance to the filament.
The Silicone Cover will keep your heater block clean.
Cleaning needles handle extruder hot end nozzle clogs easily. Easy to install and change

Reminder: Please keep away from children.
Material: brass
colour: Gold + Black

Package Contents:
20 x mk8 0.4mm nozzles
5 x cleaning pins
4 x Heat Block Silicone Covers
1 x Plastic Storage Box)